797729 has 2 divisors, whose sum is σ = 797730. Its totient is φ = 797728.

The previous prime is 797711. The next prime is 797743. The reversal of 797729 is 927797.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409600 + 388129 = 640^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 797729 - 2⁸ = 797473 is a prime.

It is not a weakly prime, because it can be changed into another prime (797029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398864 + 398865.

It is an arithmetic number, because the mean of its divisors is an integer number (398865).

2⁷⁹⁷⁷²⁹ is an apocalyptic number.

It is an amenable number.

797729 is a deficient number, since it is larger than the sum of its proper divisors (1).

797729 is an equidigital number, since it uses as much as digits as its factorization.

797729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55566, while the sum is 41.

The square root of 797729 is about 893.1567611567. The cubic root of 797729 is about 92.7438513517.

The spelling of 797729 in words is "seven hundred ninety-seven thousand, seven hundred twenty-nine".